Plant Structure, Growth, and Development

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(b) Side view of flowers with organ identity mutations

Slide 72

Growth regions

Shoot tip

(shoot apical

meristem and

young leaves)

Axillary bud

meristem

Cork

cambium

Vascular

cambium

Lateral

meristems

Root apical

meristems

Slide 73

You should now be able to:

Compare the following structures or cells:

Fibrous roots, taproots, root hairs, adventitious roots

Dermal, vascular, and ground tissues

Monocot leaves and eudicot leaves

Parenchyma, collenchyma, sclerenchyma, water-conducting cells of the xylem, and sugar-conducting cells of the phloem

Sieve-tube element and companion cell.

Slide 74

Explain the phenomenon of apical dominance.

Distinguish between determinate and indeterminate growth.

Describe in detail the primary and secondary growth of the tissues of roots and shoots.

Describe the composition of wood and bark.

Slide 75

Distinguish between morphogenesis, differentiation, and growth.

Explain how a vegetative shoot tip changes into a floral meristem.